OpenTechnical

OT-2026-000032920

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032920) never changes.

Identity and time

Publication numberOT-2026-000032920 · never reused
Internal UUID01a0ae75-4842-7e0b-9fd6-7aa20b0cdb6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032920
StatusPUBLIC

Content hashes

Canonical text3bdffc17bea8f5d88de327ee854cc72f5ee550d505606a254e1fdf27bbdb6b4e
Markdowna63dbd08eb93ebe251de2313b86ec3f465efdc87a512ab6e79a944fd9a34c2bd
PDF
Publication pageed0124a92ca3500099349aefee889b0c8e9157d06be0fb619fd8360b115be2e9
Manifestac8e3fdfda4d9f82cc5f40b873145bfb6c03408b0d9a9b84393273b168ea8afa

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4cygohc7vH1O+7vSYGpr5amL0uB6b/i1nl2GcWscVVO+S0Ud3IgtkPRr4xorVqO+1XO6+n2cvD8uqwSiEfI4Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:30.872625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032920
observed ed0124a92ca3500099349aefee889b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.856118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032920/manifest.json
observed ac8e3fdfda4d9f82cc5f40b873145bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.837540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032920/publication.md
observed a63dbd08eb93ebe251de2313b86ec3f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.819452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032920/publication.txt
observed 3bdffc17bea8f5d88de327ee854cc72f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.